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Triumphs and wonders of the 19th century, the true mirror of a phenomenal era, a volume of original, entertaining and instructive historic and descriptive writings, showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress .. (1899)

Boyd, James Penny, 1836-1910 · Philadelphia, Pa., A. J. Holman & Co · leaf 36

An illustration from Triumphs and wonders of the 19th century, the true mirror of a phenomenal era, a volume of original, entertaining and instructive historic and descriptive writings, showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress .., 1899, leaf 36
s fed by some generator ofelectricity. He devised a system ofsigns, which was afterwards improved into the Morse alphabet, consistingof dots or points, and spaces, to represent numerals. These were impressediipon a strip of ribbon or paper by a lever which held at one end a pen orpencil. The paper… … MORSE TELEGRAPH AND BATTERY. 28 TRIUMPHS AND WONDERS OF THE XIX™ CENTURY

Progress · Inventions

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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